Floating exercise ball



FIG. 1 is a reduced perspective view of a floating exercise ball showing my new design;

FIG. 2 is a top plan view thereof, the opposite side being identical;

FIG. 3 is a side elevation view thereof, taken along line 3--3 of FIG. 2; and,

FIG. 4 is a side elevation view thereof, taken along line 4--4 of FIG. 2. 

The ornamental design for a floating exercise ball, as shown and described. 